Operation guide
All area view
The latest all-area view is shown. The view range is approx.190km from east to west, approx.120km from north to south, centering Tokyo.
Tokyo area view
The latest all-area view is shown mainly focused on Tokyo Area.
The view range is approx.95km from east to west, approx.60km from north to south wherever you want to see.
On the magnified view, grab and scroll operation is available.
  • Tama Westmenu view
  • Tama Northmenu view
  • Tama Southmenu view
  • 23-ward Westmenu view
  • 23-ward Eastmenu view
・When you select the wide area name buttons, a magnified view is shown. The range of the view is approx.48km from east to west, approx.30km from north to east.
・When you select the municipality from pull-down menu of the buttons, centering the selected municipality, a magnified view is shown. The range of the view is approx.24km from east to west, approx.15km from north to east.
・On the magnified view, grab and scroll operation is available.
Weather Watches and Warnings
Information from Bureau of Sewerage, Tokyo Metropolitan Government, is listed here.

詳細はこちら
Detailed information is shown

Weather Watches and Warnings
The latest emergency warnings, warnings and advisories for Tokyo issued by Japan Meteorological Agency are shown.

Weather Watches and Warnings
Detailed information is shown.
Each of the buttons functions as follows.
5min backward 5min forward Play Pause Stop
In replay, move to the 5min backward view. In replay, move to the 5min forward view Automatic replay for 2 hours (from 120min before to the present) Pause automatic replay temporally Stop replay to move to the latest view.
the panel of the time axis By dragging the red button along the time scale or clicking directly the desired time, the previous view is shown.
Time sequential listing Reduced views are listed sequentially at once, which covers the latest 120 minutes. By selecting one among the 12 views, the all area view for the desired time is shown.
Area zoom out Zoom out. (Wider)
Area zoom in Zoom in. (More Detailed)

information list